diff --git a/kustomize/postfix-svc.yaml b/kustomize/postfix-svc.yaml
index 33526a1..f576a22 100644
--- a/kustomize/postfix-svc.yaml
+++ b/kustomize/postfix-svc.yaml
@@ -10,6 +10,7 @@ spec:
     tier: smtp
   type: LoadBalancer
   ports:
-  - port: 30587
+  - nodePort: 30587
+    port: 587
     targetPort: 587
     name: postfix-smtp